Construction of the head and mouth in the earliest jawed vertebrates
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Vertebrates dominate the vast majority of present day ecosystems, but have an obscure early history with the fossil record indicating the prevalence of jawless ‘agnathans’ for...
脊椎动物（Vertebrates）主导了当今绝大多数的生态系统，但其早期演化历史却模糊隐晦；化石记录显示，无颌类（agnathans）曾广泛存在于……
